<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{% block title %}{% endblock %}</title>
    <link rel="stylesheet" href="/static/css/common.css" />
    {% block css %}{% endblock %}
</head>
<body>
    <div class="header">LOGO</div>
    <div class="body">
        <div class="menu">左侧菜单</div>
        <div class="content">
            {% block content %}{% endblock %}
        </div>
    </div>
</body>
</html>